I live in the city where my local TV transmitter is located and used to get clear analog signals, but I am unable to receive a digital signal or the signal freezes up. What is causing this?
A. You may be experiencing “signal multipath,” the same thing that causes “ghosting” in analog broadcasts. This occurs when your antenna receives two or more of the same signal in succession, usually the result of the original signal bouncing off a building or other structure. Usually re-aiming your antenna will take care of this problem. Another possibility is that you’re receiving too much signal for your DTV set or converter box to handle. If you are using an indoor antenna with a built-in amplifier, try shutting off or turning the amplifier to its lowest setting. If you are using an attic or outdoor antenna with an RF amplifier, try bypassing the amplifier.
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